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Document And Entity Information
May 13, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date May 14, 2025
Entity Registrant Name Mesa Air Group, Inc.
Entity Central Index Key 0000810332
Entity Emerging Growth Company false
Entity File Number 001-38626
Entity Incorporation, State or Country Code NV
Entity Tax Identification Number 85-0302351
Entity Address, Address Line One 410 North 44th Street
Entity Address, Address Line Two Suite 700
Entity Address, City or Town Phoenix
Entity Address, State or Province AZ
Entity Address, Postal Zip Code 85008
City Area Code (602)
Local Phone Number 685-4000
Written Communications false
Soliciting Material false
Pre commencement Tender Offer false
Pre commencement Issuer Tender Offer false
Security 12b Title Common Stock, no par value
Trading Symbol MESA
Security Exchange Name NASDAQ